'HO' definitions:

Definition of 'Ho'

(from WordNet)
noun
A trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds [syn: holmium, Ho, atomic number 67]

Definition of 'HO'

From: GCIDE
  • Hydroxyl \Hy*drox"yl\, n. [Hydro-, 2 + oxygen + -yl.] (Chem.) A compound radical, or unsaturated group, HO, consisting of one atom of hydrogen and one of oxygen. It is a characteristic part of the hydrates, the alcohols, the oxygen acids, etc. [1913 Webster]

Definition of 'Ho'

From: GCIDE
  • Ho \Ho\, pron. Who. [Obs.]
  • Note: In some Chaucer MSS. Ho

Definition of 'Ho'

From: GCIDE
  • Ho \Ho\, Hoa \Hoa\, n. [See Ho, interj., 2.] A stop; a halt; a moderation of pace. [1913 Webster]
  • There is no ho with them. --Decker.

Definition of 'Ho'

From: GCIDE
  • Ho \Ho\, prop. n. (Chem.) The chemical symbol for Holmium. [PJC] Ho

Definition of 'Ho'

From: GCIDE
  • Ho \Ho\, Hoa \Hoa\ (h[=o]), interj. [Cf. F. & G. ho.]
  • 1. Halloo! attend! -- a call to excite attention, or to give notice of approach. "What noise there, ho?" --Shak. "Ho! who's within?" --Shak. [1913 Webster]
  • 2. [Perhaps corrupted fr. hold; but cf. F. hau stop! and E. whoa.] Stop! stand still! hold! -- a word now used by teamsters, but formerly to order the cessation of anything. [Written also whoa, and, formerly, hoo.] [1913 Webster]
  • The duke . . . pulled out his sword and cried "Hoo!" --Chaucer. [1913 Webster]
  • An herald on a scaffold made an hoo. --Chaucer. [1913 Webster]